Home / 8,293.53-11,436.30-6,405.42

Finding the Fourth Proportional to 8,293.53, 11,436.30 and 6,405.42

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Solution

The fourth proportional to 8,293.53, 11,436.30 and 6,405.42 is: 8,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.53 : 11,436.30 = 6,405.42 : x
  2. Step 2: Convert to fraction form
    8,293.53/11,436.30 = 6,405.42/x
  3. Step 3: Cross multiply
    8,293.53x = 11,436.30 × 6,405.42
  4. Step 4: Simplify right side
    8,293.53x = 73,254,304.75
  5. Step 5: Solve for x
    x = 73,254,304.75/8,293.53
  6. Step 6: Final answer
    x = 8,832.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.